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Aerobic Endurance
The ability of the body to use
oxygen efficiently in order to
delay the onset of fatigue. When
an exercise lasts longer than a
minute or two, the muscles get
most of their energy from
processes that require an
increased supply of oxygen
delivered to the muscles and
tissues. These activities are called
aerobic, meaning ‘with air’.
Muscular Endurance
The ability of the body to delay
the onset of fatigue using energy
systems that do not require
oxygen. During exercise, a muscle
requires about fifty times more
oxygen per minute than at rest.
To reduce the demand for oxygen
the muscles are able to convert
glucose into energy, without the
use of oxygen. For a short period
of time, this process, called
anaerobic glycolysis, is a highly
efficient means of harvesting
energy. Unfortunately, an
accumulation of lactic acid which
results from intense exercise
causes the energy processes
within a cell to cease, which
eventually fatigues the muscles.
In many ways this is closely
related to anaerobic endurance as
it involves the ability of local
muscle groups to exercise for a
long period. This occurs because
muscle groups required to
perform particular tasks are able
to use energy systems efficiently
and thus have high levels of
endurance.
Athletics L. 1
Aerobic activities include running,
brisk walking, swimming, cycling,
rowing, cross-country skiing, rope
skipping and aerobic dance.
Anaerobic Endurance
Resource material: Aerobic / anaerobic endurance
Resource material: Aerobic / anaerobic endurance
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